trinogramsBy Harriet Lurie ( 1.990 )
Trinograms is a triangular grid version of nonograms (also known as: paint by numbers, griddlers, pic-a-pix, picross, prismaPixels, pixel puzzles, crucipixel, edel, figurePic, hanjie, heroGlyphix, illust-logic, kare karala, logic art, logic square, logicolor, logimage, oekaki ...